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Corrosion protection of carbon steel using polyaniline composite with aluminium oxide

Ahmed Al-Dulaimi, Ahmed A. and Hashim, Shahrir and Khan, Mohammed Ilyas (2011) Corrosion protection of carbon steel using polyaniline composite with aluminium oxide. Pertanika Journal of Science and Technology, 19 (2). pp. 329-337. ISSN 0128-7680

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Official URL: http://www.pertanika2.upm.edu.my/Pertanika%20PAPER...


Polyaniline (PANI) and polyaniline composites with aluminium oxide (Al2O3) were prepared using the in situ polymerization method. The composites were then blended with acrylic paint and applied to carbon steel panels. The coated steel panels were evaluated for corrosion using the immersion test technique. The results revealed that the steel panels coated with polyaniline composites and with Al2O3 containing coatings had small corrosion as compared to the bare sample and the samples coated with polyaniline and paint alone. The samples were characterized by Fourier transform infrared (FTIR) and X-ray diffraction(XRD). In addition, the morphology of the finished samples was observed using the scanning electron microscopy (SEM). This novel composite was used as a paint pigment for enhancing the barrier properties and the paint protectable against aggressive ions. Meanwhile, corrosion was evaluated through visual monitoring using a digital camera after 60 days of fully immersion test in 5% NaCl. The weight loss method was also used to evaluate corrosion.

Item Type:Article
Uncontrolled Keywords:corrosion protection, organic coating, polyaniline pigments
Subjects:Q Science > QD Chemistry
Divisions:Chemical and Natural Resources Engineering
ID Code:28842
Deposited By: Yanti Mohd Shah
Deposited On:29 Nov 2012 07:20
Last Modified:28 Jan 2019 03:46

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